operation


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op·er·a·tion

 (ŏp′ə-rā′shən)
n.
1. The act or process of operating or functioning.
2. The state of being operative or functional: a factory in operation.
3. A process or series of acts involved in a particular form of work: the operation of building a house.
4. An instance or method of efficient, productive activity: That restaurant is quite an operation.
5. An unethical or illegal business: a fencing operation for stolen goods.
6. Medicine A surgical procedure for remedying an injury, ailment, defect, or dysfunction.
7. Mathematics A process or action, such as addition, substitution, transposition, or differentiation, performed in a specified sequence and in accordance with specific rules.
8. A logical operation.
9. Computers An action resulting from a single instruction.
10.
a. A military or naval action, campaign, or mission.
b. operations The headquarters or center from which a military action, flights into and out of an airfield, or other activities are controlled.
11. operations The division of an organization that carries out the major planning and operating functions.

operation

(ˌɒpəˈreɪʃən)
n
1. the act, process, or manner of operating
2. the state of being in effect, in action, or operative (esp in the phrases in or into operation)
3. a process, method, or series of acts, esp of a practical or mechanical nature
4. (Surgery) surgery any manipulation of the body or one of its organs or parts to repair damage, arrest the progress of a disease, remove foreign matter, etc
5. (Military)
a. a military or naval action, such as a campaign, manoeuvre, etc
b. (capital and prenominal when part of a name): Operation Crossbow.
6. (Mathematics) maths
a. any procedure, such as addition, multiplication, involution, or differentiation, in which one or more numbers or quantities are operated upon according to specific rules
b. a function from a set onto itself
7. (Stock Exchange) a commercial or financial transaction

op•er•a•tion

(ˌɒp əˈreɪ ʃən)

n.
1. an act or instance, process, or manner of functioning or operating.
2. the state of being operative (usu. prec. by in or into): a rule no longer in operation.
3. the power to act; efficacy, influence, or force.
4. the exertion of force, power, or influence; agency.
5. a process of a practical or mechanical nature.
6. a business transaction, esp. one of a speculative nature; deal.
7. a business, esp. one run on a large scale.
8. a procedure aimed at restoring or improving the health of a patient, as by correcting a malformation, removing diseased parts, implanting new parts, etc.
9.
a. a mathematical process, as addition, multiplication, or differentiation.
b. the action of applying a mathematical process to a quantity or quantities.
10.
a. a military campaign, mission, maneuver, or action.
b. Usu., operations. the conduct of such a campaign, mission, etc.
c. operations, a headquarters, office, etc., from which such activity is conducted.
d. operations, the staff at such a headquarters.
[1350–1400; Middle English < Latin]

operation

1. A military action or the carrying out of a strategic, operational, tactical, service, training, or administrative military mission.
2. The process of carrying on combat, including movement, supply, attack, defense, and maneuvers needed to gain the objectives of any battle or campaign.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.operation - the state of being in effect or being operative; "that rule is no longer in operation"
activeness, activity, action - the state of being active; "his sphere of activity"; "he is out of action"
commission - the state of being in good working order and ready for operation; "put the ships into commission"; "the motor was out of commission"
running - the state of being in operation; "the engine is running smoothly"
idle - the state of an engine or other mechanism that is idling; "the car engine was running at idle"
2.operation - a business especially one run on a large scale; "a large-scale farming operation"; "a multinational operation"; "they paid taxes on every stage of the operation"; "they had to consolidate their operations"
business activity, commercial activity - activity undertaken as part of a commercial enterprise
3.operation - a planned activity involving many people performing various actions; "they organized a rescue operation"; "the biggest police operation in French history"; "running a restaurant is quite an operation"; "consolidate the companies various operations"
activity - any specific behavior; "they avoided all recreational activity"
rescue operation - an operation organized to free from danger or confinement
undercover operation - an operation involving secret work within a community or institution
4.operation - (computer science) data processing in which the result is completely specified by a rule (especially the processing that results from a single instruction); "it can perform millions of operations per second"
memory access, access - (computer science) the operation of reading or writing stored information
computer science, computing - the branch of engineering science that studies (with the aid of computers) computable processes and structures
asynchronous operation - operations that occur without a regular or predictable time relation to other events
auxiliary operation, off-line operation - a operation performed by off-line equipment not under the control of the central processing unit
binary arithmetic operation, binary operation, boolean operation - an operation that follows the rules of Boolean algebra; each operand and the result take one of two values
computer operation, machine operation - an elementary operation that a computer is designed and built to perform
concurrent operation - two or more operations performed at the same time (or within a give interval)
control function, control operation - an operation that controls the recording or processing or transmission of interpretation of data; "a control operation started the data processing"
data processing - (computer science) a series of operations on data by a computer in order to retrieve or transform or classify information
dyadic operation - an operation on exactly two operands
fixed-cycle operation - an operation that is completed in a specified number of regularly timed execution cycles
logic operation, logical operation - an operation that follows the rules of symbolic logic
monadic operation, unary operation - an operation with exactly one operand
multiplex operation - an operation in which two or more activities are interleaved
parallel operation, simultaneous operation - the simultaneous execution of two or more operations
printing operation - an operation that controls the printing or display of information
lookup, search - an operation that determines whether one or more of a set of items has a specified property; "they wrote a program to do a table lookup"
consecutive operation, sequential operation, serial operation - the sequential execution of operations one after another
sorting, sort - an operation that segregates items into groups according to a specified criterion; "the bottleneck in mail delivery is the process of sorting"
synchronous operation - operations that are initiated predictably by a clock
threshold operation - an operation performed on operands in order to obtain the value of a threshold function
5.operation - activity by a military or naval force (as a maneuver or campaign)operation - activity by a military or naval force (as a maneuver or campaign); "it was a joint operation of the navy and air force"
activity - any specific behavior; "they avoided all recreational activity"
combined operation - a military operation carried out cooperatively by two or more allied nations or a military operation carried out by coordination of sea, land, and air forces
maneuver, simulated military operation, manoeuvre - a military training exercise
military campaign, campaign - several related operations aimed at achieving a particular goal (usually within geographical and temporal constraints)
naval campaign - an operation conducted primarily by naval forces in order to gain or extend or maintain control of the sea
military mission, mission - an operation that is assigned by a higher headquarters; "the planes were on a bombing mission"
reinforcement, reenforcement, support - a military operation (often involving new supplies of men and materiel) to strengthen a military force or aid in the performance of its mission; "they called for artillery support"
attack, onrush, onset, onslaught - (military) an offensive against an enemy (using weapons); "the attack began at dawn"
offence, offensive, offense - the action of attacking an enemy
peacekeeping, peacekeeping mission, peacekeeping operation - the activity of keeping the peace by military forces (especially when international military forces enforce a truce between hostile groups or nations)
amphibious operation - a military operation by both land and sea forces
information gathering - the act of collecting information
psychological operation, psyop - military actions designed to influence the perceptions and attitudes of individuals, groups, and foreign governments
covert operation - an intelligence operation so planned as to permit plausible denial by the sponsor
armed forces, armed services, military, military machine, war machine - the military forces of a nation; "their military is the largest in the region"; "the military machine is the same one we faced in 1991 but now it is weaker"
6.operation - a medical procedure involving an incision with instrumentsoperation - a medical procedure involving an incision with instruments; performed to repair damage or arrest disease in a living body; "they will schedule the operation as soon as an operating room is available"; "he died while undergoing surgery"
catheterisation, catheterization - the operation of introducing a catheter into the body
ablation, cutting out, extirpation, excision - surgical removal of a body part or tissue
amputation - a surgical removal of all or part of a limb
angioplasty - an operation to repair a damaged blood vessel or unblock a coronary artery
arthroplasty - surgical reconstruction or replacement of a malformed or degenerated joint
arthroscopy - a minimally invasive operation to repair a damaged joint; the surgeon examines the joint with an arthroscope while making repairs through a small incision
brain surgery - any surgical procedure involving the brain
castration - surgical removal of the testes or ovaries (usually to inhibit hormone secretion in cases of breast cancer in women or prostate cancer in men); "bilateral castration results in sterilization"
cauterisation, cauterization, cautery - the act of coagulating blood and destroying tissue with a hot iron or caustic agent or by freezing
chemosurgery - use of chemical to destroy diseased or malignant tissue; used in treatment of skin cancer
craniotomy - a surgical opening through the skull
cryosurgery - the use of extreme cold (usually liquid nitrogen) to destroy unwanted tissue (warts or cataracts or skin cancers)
curettage, curettement - surgery to remove tissue or growths from a bodily cavity (as the uterus) by scraping with a curette
debridement - surgical removal of foreign material and dead tissue from a wound in order to prevent infection and promote healing
decortication - removal of the outer covering of an organ or part
D and C, dilatation and curettage, dilation and curettage - a surgical procedure usually performed under local anesthesia in which the cervix is dilated and the endometrial lining of the uterus is scraped with a curet; performed to obtain tissue samples or to stop prolonged bleeding or to remove small tumors or to remove fragments of placenta after childbirth or as a method of abortion
electrosurgery - surgery performed with electrical devices (as in electrocautery)
enterostomy, enterotomy - surgical operation that creates a permanent opening through the abdominal wall into the intestine
enucleation - surgical removal of something without cutting into it; "the enucleation of the tumor"
wrong-site surgery - a surgical operation performed on the wrong part of the body
evisceration - surgical removal of an organ (or the contents of an organ) from a patient
exenteration - surgical removal of the organs within a body cavity (as those of the pelvis)
eye operation, eye surgery - any surgical procedure involving the eyes
fenestration - surgical procedure that creates a new fenestra to the cochlea in order to restore hearing lost because of osteosclerosis
gastrectomy - surgical removal of all or part of the stomach
gastroenterostomy - surgical creation of an opening between the stomach wall and the small intestines; performed when the normal opening has been eliminated
gastrostomy - surgical creation of an opening through the abdominal wall into the stomach (as for gastrogavage)
heart surgery - any surgical procedure involving the heart
haemorrhoidectomy, hemorrhoidectomy - surgical procedure for tying hemorrhoids and excising them
haemostasia, haemostasis, hemostasia, hemostasis - surgical procedure of stopping the flow of blood (as with a hemostat)
hysterotomy - surgical incision into the uterus (as in cesarean section)
implantation - a surgical procedure that places something in the human body; "the implantation of radioactive pellets in the prostate gland"
surgical incision, incision, section - the cutting of or into body tissues or organs (especially by a surgeon as part of an operation)
intestinal bypass - surgical operation that shortens the small intestine; used in treating obesity
jejunostomy - surgical creation of an opening between the jejunum and the anterior abdominal wall; will allow artificial feeding
major surgery - any surgical procedure that involves anesthesia or respiratory assistance
microsurgery - surgery using operating microscopes and miniaturized precision instruments to perform intricate procedures on very small structures
minor surgery - any surgical procedure that does not involve anesthesia or respiratory assistance
myotomy - surgical incision or division of a muscle
myringectomy - surgical removal of the eardrum
myringoplasty - surgical repair of a perforated eardrum with a tissue graft
myringotomy - surgical incision into the eardrum (to relieve pressure or release pus from the middle ear)
neurosurgery - any surgery that involves the nervous system (brain or spinal cord or peripheral nerves)
7.operation - a process or series of acts especially of a practical or mechanical nature involved in a particular form of work; "the operations in building a house"; "certain machine tool operations"
work - activity directed toward making or doing something; "she checked several points needing further work"
8.operation - process or manner of functioning or operating; "the power of its engine determines its operation"; "the plane's operation in high winds"; "they compared the cooking performance of each oven"; "the jet's performance conformed to high standards"
physical process, process - a sustained phenomenon or one marked by gradual changes through a series of states; "events now in process"; "the process of calcification begins later for boys than for girls"
9.operation - (psychology) the performance of some composite cognitive activityoperation - (psychology) the performance of some composite cognitive activity; an operation that affects mental contents; "the process of thinking"; "the cognitive operation of remembering"
cognition, knowledge, noesis - the psychological result of perception and learning and reasoning
basic cognitive process - cognitive processes involved in obtaining and storing knowledge
higher cognitive process - cognitive processes that presuppose the availability of knowledge and put it to use
psychological science, psychology - the science of mental life
10.operation - (mathematics) calculation by mathematical methodsoperation - (mathematics) calculation by mathematical methods; "the problems at the end of the chapter demonstrated the mathematical processes involved in the derivation"; "they were learning the basic operations of arithmetic"
calculation, computation, computing - the procedure of calculating; determining something by mathematical or logical methods
permutation - the act of changing the arrangement of a given number of elements
combination - the act of arranging elements into specified groups without regard to order
differentiation - the mathematical process of obtaining the derivative of a function
maximization - the mathematical process of finding the maximum value of a function
integration - an operation used in the calculus whereby the integral of a function is determined
exponentiation, involution - the process of raising a quantity to some assigned power
arithmetic operation - a mathematical operation involving numbers
matrix operation - a mathematical operation involving matrices
construction - drawing a figure satisfying certain conditions as part of solving a problem or proving a theorem; "the assignment was to make a construction that could be used in proving the Pythagorean theorem"
relaxation method, relaxation - a method of solving simultaneous equations by guessing a solution and then reducing the errors that result by successive approximations until all the errors are less than some specified amount
math, mathematics, maths - a science (or group of related sciences) dealing with the logic of quantity and shape and arrangement
11.operation - the activity of operating something (a machine or business etc.); "her smooth operation of the vehicle gave us a surprisingly comfortable ride"
activity - any specific behavior; "they avoided all recreational activity"
business enterprise, commercial enterprise, business - the activity of providing goods and services involving financial and commercial and industrial aspects; "computers are now widely used in business"

operation

noun
1. undertaking, process, affair, organization, proceeding, procedure, coordination, oper8n (S.M.S.) A major rescue operation is under way.
2. manoeuvre, campaign, movement, exercise, assault, deployment, oper8n (S.M.S.) a full-scale military operation
3. business, concern, firm, organization, corporation, venture, enterprise, oper8n (S.M.S.) The company has converted its mail-order operation into an e-business.
4. surgery, surgical operation, surgical intervention, oper8n (S.M.S.) an operation to reduce a bloodclot on the brain
5. performance, working, running, action, movement, functioning, motion, manipulation, oper8n (S.M.S.) Dials monitor every aspect of the operation of the aircraft.
6. effect, force, activity, agency, influence, impact, effectiveness, instrumentality, oper8n (S.M.S.) This change is due to the operation of several factors.
in operation in action, current, effective, going, functioning, active, in effect, in business, operative, in force The night-time curfew remains in operation.

operation

noun
1. The way in which a machine or other thing performs or functions:
behavior, functioning, performance, reaction, working (often used in plural).
Translations
إجْراء عَمَلِيَّه جِراحِيَّهعَمَل، تَنْفيذ العَمَلعَمَلِيَةٌعَمَلِيَةٌ جِرَاحِيَةٌعَمَلِيّات حَرْبِيَّه
действиеоперация
operaceakce
operationi kraftigangindsats
lõikusoperatsioontoiming
leikkausoperaatiotoimintahanke
נתוח
operacijapostupak
hadmûveletműködésoperációüzemelés
aðgerðaîgerîgangur, starfsemihernaîaraîgerîuppskurîur
作業手術
수술작전
fungovanie
operacijapogon
operationfunktion
การดำเนินการการผ่าตัด
hoạt độngsự phẫu thuật

operation

[ˌɒpəˈreɪʃən]
A. N
1. (= functioning) → funcionamiento m
to be in operation [machine, system, business] → estar en funcionamiento or en marcha, estar funcionando; [law] → ser vigente, estar en vigor
to come into operation [machine, system] → entrar en funcionamiento; [law] → entrar en vigor
the system is designed to come into operation in 2003está previsto que el sistema entre en funcionamiento en 2003
to put sth into operation [+ plan, factory] → poner algo en funcionamiento or en marcha
2. (= use) [of controls, machine] → manejo m; [of system] → uso m
3. (= activity) → operación f
United Nations peacekeeping operationslas operaciones de paz de las Naciones Unidas
our operations in Egypt [of company] → nuestras operaciones en Egipto; [of mine, oil well] → nuestras operaciones or explotaciones en Egipto
moving house is an expensive operationmudarse de casa resulta caro
see also rescue C
4. (Med) → operación f, intervención f quirúrgica (frm)
a liver operationuna operación de hígado
will I need an operation?¿hará falta que me operen?
to have or > undergo an operation for appendicitis (frm) → operarse de apendicitis
to have or > undergo an operation to remove a tumour (frm) → someterse a una operación or una intervención quirúrgica para extirpar un tumor (frm)
to perform an operation on sboperar a algn
5. (Comm) (= business) → operación f
6. (Mil) → operación f
Operation TorchOperación Antorcha
7. (Fin, St Ex) (= transaction) → operación f
operations on the Stock Exchangelas operaciones bursátiles, la actividad bursátil
8. (Math, Comput) → operación f
B. CPD operation code Ncódigo m de operación
operations research Ninvestigaciones fpl operativas or operacionales
operations room N (Police) → centro m de coordinación (Mil) → centro m de operaciones

operation

[ˌɒpəˈreɪʃən]
n
(= task) → opération f
a military operation → une opération militaire
to be a major operation → être une opération majeure
[machine] → fonctionnement m
to be in operation (= function) [machine] → être en service
[system, scheme] → fonctionnement m
to be in operation (= be in force) → être en vigueur
to come into operation [rule, system, plan] → être mis en application
to put sth into operation → mettre qch en application
to bring sth into operation → mettre qch en application
(= company) → exploitation f
(= surgery) → opération f
a major operation → une opération majeure
to have an operation → se faire opérer
I have never had an operation → Je ne me suis jamais fait opérer.
to have an operation on sth [+ part of body] → se faire opérer de qch
I had an operation on my spine → Je me suis fait opérer de la colonne vertébrale.
to perform an operation [surgeon] → effectuer une opération
Dr Jones will perform the operation → Le Dr Jones effectuera l'opération.
to carry out an operation [surgeon] → procéder à une opération operations
npl (= business) → opérations fpl operations centre, operations director, operations manager

operation

n
(= act of operating as in vi) (of machine, mechanism, system)Funktionieren nt; (of plan)Durchführung f; (of theory)Anwendung f; (= method of functioning) (of machine, organization)Arbeitsweise f; (of system, organ)Funktionsweise f; (of law)Wirkungsweise f; to be in operation (machine)in Betrieb sein; (law)in Kraft sein; (plan)durchgeführt werden; to be out of operationaußer Betrieb sein; (fig: person) → nicht einsatzfähig sein; to come into operation (machine)in Gang kommen; (law)in Kraft treten; (plan)zur Anwendung gelangen; to bring or put a law into operationein Gesetz in Kraft setzen
(= act of operating as in vt) (of machine etc)Bedienung f, → Handhabung f; (of small mechanism)Betätigung f; (of business)Betreiben nt, → Führen nt; (of system, policy)Anwendung f; (of plan, law)Durchführung f; (of route)Bedienung f; (of bus service etc)Unterhaltung f; (of tours)Veranstaltung f
(Med) → Operation f (→ on an +dat); to have an operationoperiert werden; to have a serious/heart operationsich einer schweren Operation/einer Herzoperation unterziehen; to have an operation for a herniawegen eines Bruchs operiert werden
(= enterprise)Unternehmen nt, → Unternehmung f, → Operation f; (= task, stage in undertaking)Arbeitsgang m; (Math) → Rechenvorgang m, → Operation f; (business) operationsGeschäfte pl; to cease/resume operationsden Geschäftsverkehr einstellen/wieder aufnehmen
(esp Mil: = campaign) → Operation f, → Einsatz m, → Unternehmen nt; (in police force etc) → Einsatz m; Operation CynthiaOperation Cynthia

operation

[ˌɒpəˈreɪʃn] n
a. (gen) (Mil) → operazione f (Med) → operazione f, intervento (chirurgico)
to have an operation for appendicitis → essere operato/a di appendicite
to undergo an operation → subire un'operazione or un intervento (chirurgico)
the company's operations during the year → le operazioni dell'azienda durante l'anno
b. to be in operation (machine) → essere in funzione; (plan, system) → essere in azione; (law) → essere in vigore
to come into operation → entrare in funzione (or in azione )
to bring or put into operation → mettere in funzione (or in azione) (law) → far entrare in vigore

operate

(ˈopəreit) verb
1. to act or work. The sewing-machine isn't operating properly.
2. to do or perform a surgical operation. The surgeon operated on her for appendicitis.
ˌopeˈration noun
1. an action or process, especially when planned. a rescue operation.
2. the process of working. Our plan is now in operation.
3. the act of surgically cutting a part of the body in order to cure disease. an operation for appendicitis.
4. (often in plural) the movement, fighting etc of armies. The general was in command of operations in the north.
ˌopeˈrational adjective
in good working order.
ˈoperative (-rətiv) , ((American) -reitiv) adjective
in action, having effect. Many old laws are still operative.
ˈoperator noun
1. a person who works a machine. a lift operator.
2. a person who connects telephone calls. Ask the operator to connect you to that number.
ˈoperating room noun
(sometimes theatre) the room in a hospital in which operations are performed.

operation

عَمَلِيَةٌ, عَمَلِيَةٌ جِرَاحِيَةٌ akce, operace operation Operation, Unternehmen εγχείρηση, επιχείρηση cirugía, operación, operación quirúrgica hanke, leikkaus opération operacija, postupak intervento, operazione 作業, 手術 수술, 작전 operatie operasjon, virksomhet działanie, operacja cirurgia, funcionamento, operação операция, хирургическое вмешательство funktion, operation การดำเนินการ, การผ่าตัด ameliyat, operasyon hoạt động, sự phẫu thuật 实施, 手术

op·er·a·tion

n. operación, intervención quirúrgica, procedimiento quirúrgico.

operation

n operación f; to have an — operarse, tener una operación
References in classic literature ?
He did, in fact, die from the operation, but not before he had deeded Tiny Soderball his claim on Hunker Creek.
Throughout the whole of this sudden and extraordinary operation, Magua, though he had struggled violently, until assured he was in the hands of one whose nerves were far better strung than his own, had not uttered the slightest exclamation.
Their exertions had the effect of suspending his purpose; but it was feared that he would perform, after death, by the operation of his last will, what he had so hardly been prevented from doing in his proper lifetime.
Others, again and those best able to appreciate the minister's peculiar sensibility, and the wonderful operation of his spirit upon the body -- whispered their belief, that the awful symbol was the effect of the ever-active tooth of remorse, gnawing from the inmost heart outwardly, and at last manifesting Heaven's dreadful judgment by the visible presence of the letter.
Afterwards I wondered the less at this operation when I came to know of what fine steel the head of a harpoon is made, and how exceedingly sharp the long straight edges are always kept.
Thus much being said, attend now, I pray you, to that marvellous and --in this particular instance --almost fatal operation whereby the Sperm Whale's great Heidelburgh Tun is tapped.
The method of operation of the higher intelligences was Tom Finnegan's theme, and he desired to find out if Jurgis had ever considered that the representation of things in their present similarity might be altogether unintelligible upon a more elevated plane.
Just at present, however, Aunt Chloe is looking into the bake-pan; in which congenial operation we shall leave her till we finish our picture of the cottage.
There was no other way to inform myself perfectly of their everyday life and the operation of the laws upon it.
If he had been behind a screen I should have supposed they were performing a surgical operation on him.
I pulled one of the stories out by the roots, and left the other--a kind of literary Caesarean operation.
But for these, the slave would be forced up to the wild- est desperation; and woe betide the slaveholder, the day he ventures to remove or hinder the operation of those conductors

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